1, efficacy: activate blood and tendon, nourish blood and regulate menstruation. The main treatment of numbness of the hands and feet; limb paralysis; rheumatic paralysis; women's menstrual disorders; dysmenorrhea; amenorrhea.

2, contraindications: chicken blood vine allergy is prohibited, excessive menstruation should not be used; Yin deficiency and hyperthermia should be used with caution.

3, chicken blood vine is a plant of the genus Cliff Bean Vine, family Leguminosae, and its stem is a kind of herbal medicine, has the effect of tonifying the blood, activating the blood, and clearing the channels. After the stem is cut off, the xylem will immediately appear light reddish brown, and soon slowly become bright red sap flow out, very much like chicken blood, hence the name.